The latest prototypes for BMW's redesigned Z4 have shed a bit more camouflage. It looks like the new roadster will feature more styling cues from the recently revealed Z4 concept than previously thought.

Demand for McLaren supercars is going gangbusters. So much so that the company has had to open a second plant to build carbon fiber tubs for its cars. McLaren celebrated the opening of the plant with some theatricals completed by its new Senna track machine.

Speaking of McLaren, a former top engineer at the supercar firm is now working for an electric car startup based in the United States. The startup is Rivian, which plans to build a pickup and SUV at the former Mitsubishi plant in Normal, Illinois.

You'll find these stories and more in today's car news, right here at Motor Authority.